PM 2.5 Filter (1); for use in face masks with filter inserts

Features:

The Filter element has 5 layers of protection, bringing you a safe breathing experience. Special  5 layer activated carbon filter can effectively filter haze, dust and other fine particles. Prevent second hand smoke and automobile exhaust. 

The filter cannot be cleaned - and is recommended to be replace once a week.

Material: spunbond, meltblown cloth, activated carbon cloth 

(When Purchasing your only purchasing 1 Filter) 

Each filter comes individually packed